Create a test file with specific content and optional modification time.

@brief Check if this is a clockless chipset

Linear interpolation

Configuration

8-bit wrappers derived from 16-bit LUTs. sin16 returns i16 [-32768..32767], offset to u16 [0..65535], then use int_scale for proper u16→u8 downscale (

Helper: Verify start frame (4 bytes of 0x00)

Info on reading cycle counter from https://github.com/kbeckmann/nodemcu-firmware/blob/ws2812-dual/app/modules/ws2812.c

Create RunContext with sensible defaults for testing.

Perlin fade curve: 6t^5 - 15t^4 + 10t^3

----------------------------------------------------------------------------- Fast, cheap 32-bit integer hash (Thomas Wang) --------------------------

Mark processing as successful using the pre-computed fingerprint. Promotes the pending fingerprint (stored by ``check``) to the main

Helper: Verify end frame (⌈num_leds/32⌉ DWords of 0xFF)

fmod — template form avoids "using fl::fmod" conflict with ::fmod

@brief Check if character is whitespace (space, tab, newline, carriage return) @param c The character to check @return true if c is a whitespace chara

Raw data access.

@brief Set global UCS7604 brightness with individual channel values (EXPERIMENTAL) @param r Red channel current (0x0-0xF) @param g Green channel curre

Check if all bits are set

Close serial connection (async).

Collect all files to check from the given directories.

Get the tick count @return Number of ticks stored in this duration

Erase the element at the given iterator position

Observers

@brief Check if thread is joinable @return true if joinable, false otherwise

Mark processing as successful (promotes pending → main cache).

release the CS select

Parse a configuration value that can be either comma-separated or multi-line. Args: value: Raw configuration value Returns:

Clamp and cast a float to i16

Remove phase state file (call on successful completion).

Get current noise floor estimate